1204745-87-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1204745-87-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,4,7,4 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1204745-87:
(9*1)+(8*2)+(7*0)+(6*4)+(5*7)+(4*4)+(3*5)+(2*8)+(1*7)=138
138 % 10 = 8
So 1204745-87-8 is a valid CAS Registry Number.
1204745-87-8Relevant articles and documents
PROCESS FOR THE PREPARATION OF DIACERIN
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Page/Page column 2-3, (2011/02/18)
The invention concerns a new process for the preparation of high purity diacerein, by oxidisation of the protected aloe-emodin in the presence of an oxidising system and radical catalyst and subsequent substitution of the protector groups with acetyl groups.
